Quote cancel

src/client/api/rest/controller.go

@@ -423,3 +423,47 @@ func (cont *Controller) SendQuote(ctx *gin.Context) {
 
 	ctx.JSON(http.StatusOK, Msg{Text: "Quote sent"})
 }
+
+// CancelQuote godoc
+// @Summary Cancel a Quote for a QuoteRequest
+// @Description Builds and sends a QuoteCancel (35=Z) to TW for an existing QuoteRequest
+// @Tags fix
+// @Accept json
+// @Produce json
+// @Param body body CancelQuoteRequest true "Quote cancel request"
+// @Success 200 {object} Msg
+// @Failure 400 {object} HTTPError
+// @Failure 401 {object} HTTPError
+// @Failure 404 {object} HTTPError
+// @Failure 409 {object} HTTPError
+// @Failure 500 {object} HTTPError
+// @Router /qfixdpl/v1/quotes/cancel [post]
+func (cont *Controller) CancelQuote(ctx *gin.Context) {
+	setHeaders(ctx, cont.config)
+
+	var req CancelQuoteRequest
+	if err := ctx.ShouldBindJSON(&req); err != nil {
+		ctx.JSON(http.StatusBadRequest, HTTPError{Error: err.Error()})
+		return
+	}
+
+	if !cont.checkServiceAPIKey(req.APIKey) {
+		ctx.JSON(http.StatusUnauthorized, HTTPError{Error: "Not allowed to perform this request"})
+		return
+	}
+
+	if err := cont.tradeProvider.CancelQuote(req.QuoteReqID, req.Text); err != nil {
+		msg := err.Error()
+		switch {
+		case strings.Contains(msg, "not found"):
+			ctx.JSON(http.StatusNotFound, HTTPError{Error: "quoteReqID not found"})
+		case strings.Contains(msg, "cannot respond"):
+			ctx.JSON(http.StatusConflict, HTTPError{Error: "quote request cannot be cancelled"})
+		default:
+			ctx.JSON(http.StatusInternalServerError, HTTPError{Error: "failed to cancel quote"})
+		}
+		return
+	}
+
+	ctx.JSON(http.StatusOK, Msg{Text: "Quote cancel sent"})
+}

src/client/api/rest/model.go

@@ -23,6 +23,12 @@ type SendQuoteRequest struct {
 	Price      string `json:"Price" binding:"required" example:"99.6"`
 }
 
+type CancelQuoteRequest struct {
+	APIKey     string `json:"APIKey" binding:"required"`
+	QuoteReqID string `json:"QuoteReqID" binding:"required"`
+	Text       string `json:"Text,omitempty"`
+}
+
 type AllMessagesRequest struct {
 	APIKey string
 	In     int

src/client/api/rest/routes.go

@@ -29,6 +29,7 @@ func SetRoutes(api *API) {
 	services := v1.Group("/")
 	services.POST("/messages", cont.AllMessages)
 	services.POST("/quotes", cont.SendQuote)
+	services.POST("/quotes/cancel", cont.CancelQuote)
 
 	backoffice := qfixdpl.Group("/backoffice")
 	backoffice.Use(cont.BackOfficeUser)

src/client/api/rest/server.go

@@ -22,6 +22,7 @@ type TradeProvider interface {
 	GetTrades() []domain.ListTrade
 	GetPendingQuoteRequests() []domain.ListTrade
 	SendQuote(quoteReqID string, price decimal.Decimal) error
+	CancelQuote(quoteReqID, text string) error
 	GetAllMessages(inSeq, outSeq int) []domain.Message
 }
 

src/client/fix/manager.go

@@ -1,6 +1,7 @@
 package fix
 
 import (
+	"fmt"
 	"log/slog"
 	"os"
 	"sort"
@@ -20,6 +21,7 @@ import (
 	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/executionreport"
 	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quote"
 	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quoteack"
+	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quotecancel"
 	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quoterequest"
 	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quoteresponse"
 	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quotestatusreport"
@@ -38,6 +40,8 @@ type listTrade struct {
 	Price        decimal.Decimal
 }
 
+const defaultQuoteCancelText = "Quote withdrawn by dealer"
+
 // Manager wraps the QuickFIX initiator and implements domain.FIXSender.
 type Manager struct {
 	initiator  *quickfix.Initiator
@@ -493,16 +497,113 @@ func (m *Manager) SendQuote(quoteReqID string, price decimal.Decimal) error {
 	return nil
 }
 
+// CancelQuote builds and sends a QuoteCancel (35=Z) for an existing QuoteRequest.
+func (m *Manager) CancelQuote(quoteReqID, text string) error {
+	m.tradesMu.RLock()
+	t, ok := m.trades[quoteReqID]
+	if !ok {
+		m.tradesMu.RUnlock()
+		err := tracerr.Errorf("CancelQuote: quoteReqID %s not found", quoteReqID)
+		slog.Error(err.Error())
+		return err
+	}
+
+	sessionID := t.SessionID
+	if sessionID == (quickfix.SessionID{}) {
+		sessionID = m.anyActiveSessionID()
+		if sessionID == (quickfix.SessionID{}) {
+			m.tradesMu.RUnlock()
+			err := tracerr.Errorf("CancelQuote: no active FIX session for quoteReqID %s", quoteReqID)
+			slog.Error(err.Error())
+			return err
+		}
+	}
+
+	quoteRequestBody := t.QuoteRequest.Body
+	m.tradesMu.RUnlock()
+
+	ownerTraderID := quoteRequestString(quoteRequestBody, "OwnerTraderID")
+	canRespond, hasCanRespond, rawCanRespond := quoteRequestCanRespond(quoteRequestBody)
+	canRespondLogValue := rawCanRespond
+	if canRespondLogValue == "" {
+		canRespondLogValue = "missing"
+	}
+
+	if !hasCanRespond {
+		slog.Warn("CancelQuote: CanRespond missing or unparseable, sending QuoteCancel anyway",
+			"quoteReqID", quoteReqID,
+			"canRespond", canRespondLogValue,
+		)
+	} else if !canRespond {
+		err := tracerr.Errorf("CancelQuote: quoteReqID %s cannot respond", quoteReqID)
+		slog.Error(err.Error(),
+			"quoteReqID", quoteReqID,
+			"canRespond", canRespondLogValue,
+		)
+		return err
+	} else {
+		slog.Info("CancelQuote: CanRespond allows QuoteCancel",
+			"quoteReqID", quoteReqID,
+			"canRespond", canRespondLogValue,
+		)
+	}
+
+	quoteID := uuid.NewV4().String()
+	text = strings.TrimSpace(text)
+	if text == "" {
+		text = defaultQuoteCancelText
+	}
+
+	qc := quotecancel.New(
+		field.NewQuoteReqID(quoteReqID),
+		field.NewQuoteCancelType(enum.QuoteCancelType_CANCEL_SPECIFIED_SINGLE_QUOTE),
+	)
+	qc.SetQuoteID(quoteID)
+	qc.SetTransactTime(time.Now().UTC())
+	qc.SetText(text)
+
+	if ownerTraderID != "" {
+		qc.SetOwnerTraderID(ownerTraderID)
+	}
+
+	if sendErr := quickfix.SendToTarget(qc, sessionID); sendErr != nil {
+		sendErr = tracerr.Errorf("CancelQuote: failed to send quote cancel (quoteReqID=%s, quoteID=%s): %w", quoteReqID, quoteID, sendErr)
+		slog.Error(sendErr.Error())
+		return sendErr
+	}
+
+	slog.Info("QuoteCancel sent",
+		"quoteReqID", quoteReqID,
+		"quoteID", quoteID,
+		"canRespond", canRespondLogValue,
+		"ownerTraderID", ownerTraderID,
+		"text", text,
+	)
+
+	return nil
+}
+
 // firstGroup returns the first repetition of a NUMINGROUP field, or nil.
 func firstGroup(body map[string]any, name string) map[string]any {
 	if body == nil {
 		return nil
 	}
-	groups, ok := body[name].([]map[string]any)
+
-	if !ok || len(groups) == 0 {
+	switch groups := body[name].(type) {
-		return nil
+	case []map[string]any:
+		if len(groups) == 0 {
+			return nil
+		}
+		return groups[0]
+	case []any:
+		if len(groups) == 0 {
+			return nil
+		}
+		group, _ := groups[0].(map[string]any)
+		return group
 	}
-	return groups[0]
+
+	return nil
 }
 
 // getString reads a string value from a body map, tolerating nil maps and missing keys.
@@ -516,6 +617,53 @@ func getString(body map[string]any, name string) string {
 	return ""
 }
 
+func quoteRequestString(body map[string]any, name string) string {
+	if v := getString(body, name); v != "" {
+		return v
+	}
+
+	return getString(firstGroup(body, "NoRelatedSym"), name)
+}
+
+func quoteRequestCanRespond(body map[string]any) (bool, bool, string) {
+	if value, ok := body["CanRespond"]; ok {
+		return parseCanRespondValue(value)
+	}
+	if value, ok := firstGroup(body, "NoRelatedSym")["CanRespond"]; ok {
+		return parseCanRespondValue(value)
+	}
+
+	return false, false, ""
+}
+
+func parseCanRespondValue(value any) (bool, bool, string) {
+	switch v := value.(type) {
+	case bool:
+		if v {
+			return true, true, "true"
+		}
+		return false, true, "false"
+	case string:
+		normalized := strings.ToUpper(strings.TrimSpace(v))
+		switch normalized {
+		case "Y", "YES", "TRUE", "1":
+			return true, true, v
+		case "N", "NO", "FALSE", "0":
+			return false, true, v
+		default:
+			return false, false, v
+		}
+	case int:
+		return v != 0, true, fmt.Sprint(v)
+	case int64:
+		return v != 0, true, fmt.Sprint(v)
+	case float64:
+		return v != 0, true, fmt.Sprint(v)
+	default:
+		return false, false, ""
+	}
+}
+
 // getDecimal reads a decimal value from a body map. Numeric FIX types come through
 // as strings (e.g. "10000"); INT-typed counts may be int. Both are accepted.
 func getDecimal(body map[string]any, name string) decimal.Decimal {

src/client/fix/manager_cancel_test.go

@@ -0,0 +1,82 @@
+package fix
+
+import "testing"
+
+func TestQuoteRequestCanRespond(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name    string
+		body    map[string]any
+		want    bool
+		wantOK  bool
+		wantRaw string
+	}{
+		{
+			name:    "top-level bool true",
+			body:    map[string]any{"CanRespond": true},
+			want:    true,
+			wantOK:  true,
+			wantRaw: "true",
+		},
+		{
+			name: "group string yes",
+			body: map[string]any{
+				"NoRelatedSym": []map[string]any{{"CanRespond": "Y"}},
+			},
+			want:    true,
+			wantOK:  true,
+			wantRaw: "Y",
+		},
+		{
+			name: "json decoded group string yes",
+			body: map[string]any{
+				"NoRelatedSym": []any{map[string]any{"CanRespond": "Y"}},
+			},
+			want:    true,
+			wantOK:  true,
+			wantRaw: "Y",
+		},
+		{
+			name: "group false",
+			body: map[string]any{
+				"NoRelatedSym": []map[string]any{{"CanRespond": false}},
+			},
+			want:    false,
+			wantOK:  true,
+			wantRaw: "false",
+		},
+		{
+			name:    "missing",
+			body:    map[string]any{},
+			want:    false,
+			wantOK:  false,
+			wantRaw: "",
+		},
+	}
+
+	for _, tc := range tests {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			got, gotOK, gotRaw := quoteRequestCanRespond(tc.body)
+			if got != tc.want || gotOK != tc.wantOK || gotRaw != tc.wantRaw {
+				t.Fatalf("quoteRequestCanRespond() = (%v, %v, %q), want (%v, %v, %q)",
+					got, gotOK, gotRaw, tc.want, tc.wantOK, tc.wantRaw)
+			}
+		})
+	}
+}
+
+func TestQuoteRequestStringFallsBackToNoRelatedSym(t *testing.T) {
+	t.Parallel()
+
+	body := map[string]any{
+		"NoRelatedSym": []map[string]any{{"OwnerTraderID": "dealer-1"}},
+	}
+
+	if got := quoteRequestString(body, "OwnerTraderID"); got != "dealer-1" {
+		t.Fatalf("quoteRequestString() = %q, want dealer-1", got)
+	}
+}